Snail-shell
121milk snail — noun : a pulmonate snail (Helix lactea or Otala lactea) with a pure white shell native to the dry parts of the Mediterranean region but introduced to several parts of the New World where it is sometimes a serious pest of cultivated plants …
122mud snail — noun 1. : basket shell 2 2. : a common Old World pond snail (Lymnaea truncatella) that is the English intermediate host of the sheep liver fluke …
123purple shell — Ianthina I*an thi*na, n.; pl. L. {Ianthin[ae]}, E. {Ianthinas}. [NL., fr. L. ianthinus violet blue, Gr. ?; ? violet + ? flower.] (Zo[ o]l.) Any gastropod of the genus {Ianthina}, of which various species are found living in mid ocean; called also …
124Violet shell — Violet Vi o*let, a. [Cf. F. violet. See {Violet}, n.] Dark blue, inclining to red; bluish purple; having a color produced by red and blue combined. [1913 Webster] {Violet shell} (Zo[ o]l.), any species of Ianthina; called also {violet snail}. See …
125bubble shell — ▪ marine snail any of various marine snails of the order Cephalaspidea (subclass Opisthobranchia of the class Gastropoda). These snails characteristically have thin, globular shells; in some species the shells are embedded in the animal s… …
126top shell — ▪ gastropod family any marine snail of the family Trochidae (subclass Prosobranchia, class Gastropoda), characterized by a spiral, conical shell. Although top shells are found from the intertidal zone to the deep open seas, they occur with… …
127worm shell — ▪ gastropod family any marine snail of the family Vermetidae (subclass Prosobranchia, class Gastropoda). The shell of these snails consists of an irregularly coiled, narrow tube that resembles a worm. Most species of both families live… …
128apple shell — noun : the apple snail or its shell …
